body {
	font-family: arial;
	line-height: 1;
	background-color: lightgrey;
}

h1, h2 {
	text-align: center;
}

h1 {
	font-weight: bold;
}

h3 {
	font-style: italic;
}

table {
	font-family: arial, sans-serif;
	border-collapse: collapse;
	width: 100%;
}

td, th {
	border: 1px solid #dddddd;
	text-align: left;
	padding: 8px;
}

tr:nth-child(even) {
	background-color: #dddddd;
}

ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
	overflow: hidden;
	background-color: #333;
}

li {
	float: left;
}

li a {
	display: block;
	color: white;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
}

li a:hover {
	background-color: #111;
}

.active {
	background-color: #4CAF50;
}


img {
	width: 200px;
	height: 300px;
	float left;
}